作者:L.I Larina、R.V Karnaukhova、A.S Nakhmanovich、V.A Shagun、P.E Ushakov、V.A Lopyrev
DOI:10.1016/s0022-2860(01)00646-9
日期:2002.2
Abstract Alkylation of 1,1-dimethylhydrazone-4- and -3-pyridinaldehydes has been shown, by means of multinucleus 1D- and 2D NMR spectroscopy and quantum chemistry (ab initio), to proceed exclusively by the pyridine nitrogen atom to form the corresponding pyridinium halides. At the same time, 1,1-dimethylhydrazone benzaldehyde is alkylated to the amine nitrogen with the formation of hydrazonium salts
摘要 1,1-二甲基腙-4-和-3-吡啶醛的烷基化反应,通过多核一维和二维核磁共振光谱和量子化学(从头算),仅通过吡啶氮原子进行,形成相应的卤化吡啶鎓。同时,1,1-二甲基腙苯甲醛烷基化为胺氮,形成腙盐。